Webster's Dictionary, 1913

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Fluxionist noun One skilled in fluxions. Berkeley.

Fluxions noun plural (Math.) See Fluxion , 6 (b) .

Fluxive adjective Flowing; also, wanting solidity. B. Jonson.

Fluxure noun [ Latin fluxura a flowing.]
1. The quality of being fluid. [ Obsolete] Fielding.

2. Fluid matter. [ Obsolete] Drayton.

Fly (flī) intransitive verb [ imperfect Flew (flū); past participle Flown (flōn); present participle & verbal noun Flying .] [ Middle English fleen , fleen , fleyen , flegen , Anglo-Saxon fleógan ; akin to Dutch vliegen , Old High German fliogan , German fliegen , Icelandic fljūga , Swedish flyga , Danish flyve , Goth. us-flaugjan to cause to fly away, blow about, and perhaps to Latin pluma feather, English plume . √84. Confer Fledge , Flight , Flock of animals.]
1. To move in or pass through the air with wings, as a bird.

2. To move through the air or before the wind; esp., to pass or be driven rapidly through the air by any impulse.

3. To float, wave, or rise in the air, as sparks or a flag.

Man is born unto trouble, as the sparks fly upward.
Job v. 7.

4. To move or pass swiftly; to hasten away; to circulate rapidly; as, a ship flies on the deep; a top flies around; rumor flies .

Fly , envious Time, till thou run out thy race.
Milton.

The dark waves murmured as the ships flew on.
Bryant.

5. To run from danger; to attempt to escape; to flee; as, an enemy or a coward flies . See Note under Flee .

Fly , ere evil intercept thy flight.
Milton.

Whither shall I fly to escape their hands ?
Shak.

6. To move suddenly, or with violence; to do an act suddenly or swiftly; -- usually with a qualifying word; as, a door flies open; a bomb flies apart.

To fly about (Nautical) , to change frequently in a short time; -- said of the wind. -- To fly around , to move about in haste. [ Colloq.] -- To fly at , to spring toward; to rush on; to attack suddenly. -- To fly in the face of , to insult; to assail; to set at defiance; to oppose with violence; to act in direct opposition to; to resist. -- To fly off , to separate, or become detached suddenly; to revolt. -- To fly on , to attack. -- To fly open , to open suddenly, or with violence. -- To fly out . (a) To rush out. (b) To burst into a passion; to break out into license. -- To let fly . (a) To throw or drive with violence; to discharge. "A man lets fly his arrow without taking any aim." Addison. (b) (Nautical) To let go suddenly and entirely; as, to let fly the sheets.

Fly transitive verb
1. To cause to fly or to float in the air, as a bird, a kite, a flag, etc.

The brave black flag I fly .
W. S. Gilbert.

2. To fly or flee from; to shun; to avoid.

Sleep flies the wretch.
Dryden.

To fly the favors of so good a king.
Shak.

3. To hunt with a hawk. [ Obsolete] Bacon.

To fly a kite (Com.) , to raise money on commercial notes. [ Cant or Slang]

Fly noun ; plural Flies (flīz). [ Middle English flie , flege , Anglo-Saxon flȳge , fleóge , from fleógan to fly; akin to Dutch vlieg , Old High German flioga , German fliege , Icelandic & Swedish fluga , Danish flue . √ 84. See Fly , intransitive verb ]
1. (Zoology) (a) Any winged insect; esp., one with transparent wings; as, the Spanish fly ; fire fly ; gall fly ; dragon fly . (b) Any dipterous insect; as, the house fly ; flesh fly ; black fly . See Diptera , and Illust. in Append.

2. A hook dressed in imitation of a fly, -- used for fishing. "The fur-wrought fly ." Gay.

3. A familiar spirit; a witch's attendant. [ Obsolete]

A trifling fly , none of your great familiars.
B. Jonson.

4. A parasite. [ Obsolete] Massinger.

5. A kind of light carriage for rapid transit, plying for hire and usually drawn by one horse. [ Eng.]

6. The length of an extended flag from its staff; sometimes, the length from the "union" to the extreme end.

7. The part of a vane pointing the direction from which the wind blows.

8. (Nautical) That part of a compass on which the points are marked; the compass card. Totten.

9. (Mech.) (a) Two or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock. (b) A heavy wheel, or cross arms with weights at the ends on a revolving axis, to regulate or equalize the motion of machinery by means of its inertia, where the power communicated, or the resistance to be overcome, is variable, as in the steam engine or the coining press. See Fly wheel (below).

10. (Knitting Machine) The piece hinged to the needle, which holds the engaged loop in position while the needle is penetrating another loop; a latch. Knight.

11. The pair of arms revolving around the bobbin, in a spinning wheel or spinning frame, to twist the yarn.

12. (Weaving) A shuttle driven through the shed by a blow or jerk. Knight.

13. (a) Formerly, the person who took the printed sheets from the press. (b) A vibrating frame with fingers, attached to a power to a power printing press for doing the same work.

14. The outer canvas of a tent with double top, usually drawn over the ridgepole, but so extended as to touch the roof of the tent at no other place.

15. One of the upper screens of a stage in a theater.

16. The fore flap of a bootee; also, a lap on trousers, overcoats, etc., to conceal a row of buttons.

17. (Baseball) A batted ball that flies to a considerable distance, usually high in the air, also called a fly ball ; also, the flight of a ball so struck; as, it was caught on the fly .

Black fly , Cheese fly , Dragon fly, etc. See under Black , Cheese , etc. -- Fly agaric (Botany) , a mushroom ( Agaricus muscarius ), having a narcotic juice which, in sufficient quantities, is poisonous. -- Fly block (Nautical) , a pulley whose position shifts to suit the working of the tackle with which it is connected; -- used in the hoisting tackle of yards. -- Fly board (Printing Press) , the board on which printed sheets are deposited by the fly. -- Fly book , a case in the form of a book for anglers' flies. Kingsley. -- Fly cap , a cap with wings, formerly worn by women. -- Fly drill , a drill having a reciprocating motion controlled by a fly wheel, the driving power being applied by the hand through a cord winding in reverse directions upon the spindle as it rotates backward and forward. Knight. -- Fly fishing , the act or art of angling with a bait of natural or artificial flies. Walton. -- Fly flap , an implement for killing flies. -- Fly governor , a governor for regulating the speed of an engine, etc., by the resistance of vanes revolving in the air. -- Fly honeysuckle (Botany) , a plant of the honeysuckle genus ( Lonicera ), having a bushy stem and the flowers in pairs, as Latin ciliata and Latin Xylosteum . -- Fly hook , a fishhook supplied with an artificial fly. -- Fly leaf , an unprinted leaf at the beginning or end of a book, circular, programme, etc. -- Fly maggot , a maggot bred from the egg of a fly. Ray. -- Fly net , a screen to exclude insects. -- Fly nut (Machinery) , a nut with wings; a thumb nut; a finger nut. -- Fly orchis (Botany) , a plant ( Ophrys muscifera ), whose flowers resemble flies. - - Fly paper , poisoned or sticky paper for killing flies that feed upon or are entangled by it. -- Fly powder , an arsenical powder used to poison flies. -- Fly press , a screw press for punching, embossing, etc., operated by hand and having a heavy fly. -- Fly rail , a bracket which turns out to support the hinged leaf of a table. -- Fly rod , a light fishing rod used in angling with a fly. -- Fly sheet , a small loose advertising sheet; a handbill. -- Fly snapper (Zoology) , an American bird ( Phainopepla nitens ), allied to the chatterers and shrikes. The male is glossy blue-black; the female brownish gray. -- Fly wheel (Machinery) , a heavy wheel attached to machinery to equalize the movement (opposing any sudden acceleration by its inertia and any retardation by its momentum), and to accumulate or give out energy for a variable or intermitting resistance. See Fly , noun , 9. -- On the fly (Baseball) , still in the air; -- said of a batted ball caught before touching the ground. .

Fly adjective Knowing; wide awake; fully understanding another's meaning. [ Slang] Dickens.

Fly transitive verb To manage (an aircraft) in flight; as, to fly an aëroplane.

Fly noun (Cotton Manuf.) Waste cotton.

Fly amanita, Fly fungus (Botany) A poisonous mushroom ( Amanita muscaria , syn. Agaricus muscarius ), having usually a bright red or yellowish cap covered with irregular white spots. It has a distinct volva at the base, generally an upper ring on the stalk, and white spores. Called also fly agaric , deadly amanita .

Fly-bitten adjective Marked by, or as if by, the bite of flies. Shak.

Fly-case noun (Zoology) The covering of an insect, esp. the elytra of beetles.

Fly-catching adjective (Zoology) Having the habit of catching insects on the wing.

Fly-fish intransitive verb To angle, using flies for bait. Walton.

flyaway adj.
1. frivolous; -- of people. serious
Syn. -- flighty.
[ WordNet 1.5]

2. Tending to move away from a center, rather than remain in a compact group; -- used of hair or clothing or of small particles of matter. Light objects or particles readily taking a static electric charge may be moved apart by acquisition of a charge, or by approach of a charged object. Such a property is called flyaway .
Syn. -- fluttering.
[ WordNet 1.5]

Flyaway adjective Disposed to fly away; flighty; unrestrained; light and free; -- used of both persons and things. -- noun A flyaway person or thing. "Truth is such a flyaway ." Emerson.

Flyaway grass (Botany) The hair grass ( Agrostis scabra ). So called from its light panicle, which is blown to great distances by the wind.

Flybane noun (Botany) A kind of catchfly of the genus Silene ; also, a poisonous mushroom ( Agaricus muscarius ); fly agaric.

Flyblow transitive verb To deposit eggs upon, as a flesh fly does on meat; to cause to be maggoty; hence, to taint or contaminate, as if with flyblows. Bp. Srillingfleet.

Flyblow noun (Zoology) One of the eggs or young larvæ deposited by a flesh fly, or blowfly.

Flyblown adjective Tainted or contaminated with flyblows; damaged; foul.

Wherever flyblown reputations were assembled.
Thackeray.

Flyboat noun [ Fly + boat : confer Dutch vlieboot .]
1. (Nautical) A large Dutch coasting vessel.

Captain George Weymouth made a voyage of discovery to the northwest with two flyboats .
Purchas.

2. A kind of passenger boat formerly used on canals.

Flycatcher noun (Zoology) One of numerous species of birds that feed upon insects, which they take on the wing.

» The true flycatchers of the Old World are Oscines, and belong to the family Muscicapidæ , as the spotted flycatcher ( Muscicapa grisola ). The American flycatchers, or tyrant flycatchers, are Clamatores, and belong to the family Tyrannidæ , as the kingbird, pewee, crested flycatcher ( Myiarchus crinitus ), and the vermilion flycatcher or churinche ( Pyrocephalus rubineus ). Certain American flycatching warblers of the family Sylvicolidæ are also called flycatchers, as the Canadian flycatcher ( Sylvania Canadensis ), and the hooded flycatcher ( S. mitrata ). See Tyrant flycatcher .

Flyer noun [ See Flier .]
1. One that uses wings.

2. The fly of a flag: See Fly , noun , 6.

3. Anything that is scattered abroad in great numbers as a theatrical programme, an advertising leaf, etc.

4. (Architecture) One in a flight of steps which are parallel to each other(as in ordinary stairs), as distinguished from a winder .

5. The pair of arms attached to the spindle of a spinning frame, over which the thread passes to the bobbin; -- so called from their swift revolution. See Fly , noun , 11.

6. The fan wheel that rotates the cap of a windmill as the wind veers. Internat. Cyc.

7. (Stock Jobbing) A small operation not involving ? considerable part of one's capital, or not in the line of one's ordinary business; a venture. [ Cant] Bartlett.

Flyfish noun (Zoology) A California scorpænoid fish ( Sebastichthys rhodochloris ), having brilliant colors.

Flying adjective [ From Fly , intransitive verb ] Moving in the air with, or as with, wings; moving lightly or rapidly; intended for rapid movement.

Flying army (Mil.) a body of cavalry and infantry, kept in motion, to cover its own garrisons and to keep the enemy in continual alarm. Farrow. -- Flying artillery (Mil.) , artillery trained to rapid evolutions, -- the men being either mounted or trained to spring upon the guns and caissons when they change position. -- Flying bridge , Flying camp . See under Bridge , and Camp . -- Flying buttress (Architecture) , a contrivance for taking up the thrust of a roof or vault which can not be supported by ordinary buttresses. It consists of a straight bar of masonry, usually sloping, carried on an arch, and a solid pier or buttress sufficient to receive the thrust. The word is generally applied only to the straight bar with supporting arch. -- Flying colors , flags unfurled and waving in the air ; hence: To come off with flying colors , to be victorious; to succeed thoroughly in an undertaking. -- Flying doe (Zoology) , a young female kangaroo. -- Flying dragon . (a) (Zoology) See Dragon , 6. (b) A meteor. See under Dragon . -- Flying Dutchman . (a) A fabled Dutch mariner condemned for his crimes to sail the seas till the day of judgment. (b) A spectral ship. -- Flying fish . (Zoology) See Flying fish , in the Vocabulary. -- Flying fox (Zoology) , the colugo. -- Flying frog (Zoology) , an East Indian tree frog of the genus Rhacophorus , having very large and broadly webbed feet, which serve as parachutes, and enable it to make very long leaps. -- Flying gurnard (Zoology) , a species of gurnard of the genus Cephalacanthus or Dactylopterus , with very large pectoral fins, said to be able to fly like the flying fish, but not for so great a distance. Three species are known; that of the Atlantic is Cephalacanthus volitans . -- Flying jib (Nautical) , a sail extended outside of the standing jib, on the flying-jib boom. -- Flying-jib boom (Nautical) , an extension of the jib boom. -- Flying kites (Nautical) , light sails carried only in fine weather. -- Flying lemur . (Zoology) See Colugo . -- Flying level (Civil Engin.) , a reconnoissance level over the course of a projected road, canal, etc. -- Flying lizard . (Zoology) See Dragon , noun 6. -- Flying machine , an apparatus for navigating the air; a form of balloon. -- Flying mouse (Zoology) , the opossum mouse ( Acrobates pygmæus ), of Australia. It has lateral folds of skin, like the flying squirrels. -- Flying party (Mil.) , a body of soldiers detailed to hover about an enemy. -- Flying phalanger (Zoology) , one of several species of small marsuupials of the genera Petaurus and Belideus , of Australia and New Guinea, having lateral folds like those of the flying squirrels. The sugar squirrel ( B. sciureus ), and the ariel ( B. ariel ), are the best known; -- called also squirrel petaurus and flying squirrel . See Sugar squirrel . -- Flying pinion , the fly of a clock. -- Flying sap (Mil.) , the rapid construction of trenches (when the enemy's fire of case shot precludes the method of simple trenching), by means of gabions placed in juxtaposition and filled with earth. -- Flying shot , a shot fired at a moving object, as a bird on the wing. -- Flying spider . (Zoology) See Ballooning spider . -- Flying squid (Zoology) , an oceanic squid ( Ommastrephes, or Sthenoteuthis, Bartramii ), abundant in the Gulf Stream, which is able to leap out of the water with such force that it often falls on the deck of a vessel. -- Flying squirrel (Zoology) See Flying squirrel , in the Vocabulary. -- Flying start , a start in a sailing race in which the signal is given while the vessels are under way. -- Flying torch (Mil.) , a torch attached to a long staff and used for signaling at night.

Flying boat A compact form of hydro-aëroplane having one central body, or hull.

Flying fish (Zoology) A fish which is able to leap from the water, and fly a considerable distance by means of its large and long pectoral fins. These fishes belong to several species of the genus Exocœtus , and are found in the warmer parts of all the oceans.

Flying squirrel (? or ?). (Zoology) One of a group of squirrels, of the genera Pteromus and Sciuropterus , having parachute-like folds of skin extending from the fore to the hind legs, which enable them to make very long leaps.

» The species of Pteromys are large, with bushy tails, and inhabit southern Asia and the East Indies; those of Sciuropterus are smaller, with flat tails, and inhabit the northern parts of Europe, Asia, and America. The American species (Sciuropterus volucella) is also called Assapan. The Australian flying squirrels, or flying phalangers, are marsupials. See Flying phalanger (above).

Flyman noun ; plural Flymen (-m e n). The driver of a fly, or light public carriage.

Flysch (flēsh) noun [ A Swiss word, from German fliessen to flow, melt.] (Geol.) A name given to the series of sandstones and schists overlying the true nummulitic formation in the Alps, and included in the Eocene Tertiary.

Flyspeck noun A speck or stain made by the excrement of a fly; hence, any insignificant dot.

Flyspeck transitive verb To soil with flyspecks.

Flytrap noun
1. A trap for catching flies. 2. (Botany) A plant (Dionæa muscipula) , called also Venus's flytrap, the leaves of which are fringed with stiff bristles, and fold together when certain hairs on their upper surface are touched, thus seizing insects that light on them. The insects so caught are afterwards digested by a secretion from the upper surface of the leaves.

Fnese intransitive verb [ Anglo-Saxon fn...san , gefn...san .] To breathe heavily; to snort. [ Obsolete] Chaucer.

Fo noun The Chinese name of Buddha.

Foal (fōl) noun [ Middle English fole , Anglo-Saxon fola ; akin to Old High German folo , German fohlen , Goth. fula , Icelandic foli , Swedish fåle , Greek pw^los , Latin pullus a young animal. Confer Filly , Poultry , Pullet .] (Zoö.) The young of any animal of the Horse family (Equidæ) ; a colt; a filly.

Foal teeth (Zoology) , the first set of teeth of a horse. -- In foal , With foal , being with young; pregnant; -- said of a mare or she ass.

Foal transitive verb [ imperfect & past participle Foaled (fōld); present participle & verbal noun Foaling .] To bring forth (a colt); -- said of a mare or a she ass.

Foal intransitive verb To bring forth young, as an animal of the horse kind.

Foalfoot (-fot`) noun (Botany) See Coltsfoot .

Foam (fōm) noun [ Middle English fam , fom , Anglo-Saxon fām ; akin to Old High German & German feim .] The white substance, consisting of an aggregation of bubbles, which is formed on the surface of liquids, or in the mouth of an animal, by violent agitation or fermentation; froth; spume; scum; as, the foam of the sea.

Foam cock , in steam boilers, a cock at the water level, to blow off impurities.

Foam intransitive verb [ imperfect & past participle Foamed (fōmd); present participle & verbal noun Foaming .] [ Anglo-Saxon f?man . See Foam , noun ]
1. To gather foam; to froth; as, the billows foam .

He foameth , and gnasheth with his teeth.
Mark ix. 18.

2. To form foam, or become filled with foam; -- said of a steam boiler when the water is unduly agitated and frothy, as because of chemical action.

Foam transitive verb To cause to foam; as, to foam the goblet; also (with out), to throw out with rage or violence, as foam. " Foaming out their own shame." Jude 13.

Foamingly adverb With foam; frothily.

Foamless adjective Having no foam.

Foamy (-&tcr;) adjective Covered with foam; frothy; spumy.

Behold how high the foamy billows ride!
Dryden.

Fob (fŏb) noun [ Confer Prov. German fuppe pocket.] A little pocket for a watch.

Fob chain , a short watch chain worn with a watch carried in the fob.

Fob transitive verb [ imperfect & past participle Fobbed ; present participle & verbal noun Fobbing .] [ Confer Fop.]


1. To beat; to maul. [ Obsolete]

2. To cheat; to trick; to impose on. Shak.

To fob off , to shift off by an artifice; to put aside; to delude with a trick."A conspiracy of bishops could prostrate and fob off the right of the people." Milton.

Focal adjective [ Confer French focal . See Focus .] Belonging to,or concerning, a focus; as, a focal point.

Focal distance, or length, of a lens or mirror (Opt.) , the distance of the focus from the surface of the lens or mirror, or more exactly, in the case of a lens, from its optical center. -- Focal distance of a telescope , the distance of the image of an object from the object glass.